Electronic media:  then, now, later/ 
Norman J. Medoff, Barbara K. Kaye 
 - Third edition 
 - New York:  Routledge,  2017. 
 - x, 329 pages:  illustrations;  28 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9781138903210 (hardback) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Digital media<br/>Mass media<br/>Telecommunication
<br/><br/><label>LC Class. No.: </label>Circ HE 8689.4 .M43 2017